public class Test {
    public static void main(String[] args) {
        BinaryTree binaryTree = new BinaryTree();
        //创建二叉树
        BinaryTree.TreeNode root = binaryTree.createTree();
        //System.out.println();

        binaryTree.prevOrderNor(root);
        System.out.println();

        binaryTree.inOrderNor(root);
        System.out.println();

        binaryTree.postOrderNor(root);
        System.out.println();
    }
}
